diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds')
4 files changed, 655 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/CMakeLists.txt b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/CMakeLists.txt new file mode 100644 index 000000000..1cde22b49 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/CMakeLists.txt @@ -0,0 +1,7 @@ +cmake_minimum_required(VERSION 2.8.10 FATAL_ERROR) +project(lpc-cmds C) +set(CMAKE_C_STANDARD 11) +set(CMAKE_C_STANDARD_REQUIRED ON) +add_executable(lpc_cmds lpc_cmds.c) +install (TARGETS lpc_cmds DESTINATION bin) + diff --git a/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/lpc_cmds.c b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/lpc_cmds.c new file mode 100644 index 000000000..ff9498696 --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/lpc_cmds.c @@ -0,0 +1,555 @@ +/* +// Copyright (c) 2017 Intel Corporation +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// +*/ + +#include <stdio.h> +#include <time.h> +#include <unistd.h> +#include <stdlib.h> +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <fcntl.h> +#include <sys/ioctl.h> +#include <sys/mman.h> + +#include "lpc_drv.h" + +#define SIO_DEVICE_NAME "/dev/lpc-sio" +#define KCS_DEVICE_NAME "/dev/ipmi-kcs" +#define MAILBOX_DEVICE_NAME "/dev/aspeed-mbox" +#define SNOOP_DEVICE_NAME "/dev/aspeed-lpc-snoop" + +#define SNOOP_BUF_SIZE 4096 + +#define SUPPORT_KCS_ADDR_CMD 0 +#define SUPPORT_MAILBOX 1 +#define SUPPORT_SNOOP 1 + +/*********************************************************************************/ +static void ProcessKCSReq(int fd, unsigned char *pReq, int ReqLen, int NoPrint) +{ + int i; + unsigned char SendPkt[16]; + + if (!NoPrint) { + printf("\nKCS Request >>>>>>>>>>>>>>>>>>>>>>>>>>\n"); + for (i = 0; i < ReqLen; i++) + printf("%02X ", pReq[i]); + printf("\n======================================\n"); + } + + SendPkt[0] = pReq[0] | 0x04; + SendPkt[1] = pReq[1]; + SendPkt[2] = 0xC1; /* Always Invalid Command */ + + if (!NoPrint) { + printf("\nKCS Response <<<<<<<<<<<<<<<<<<<<<<<<<\n"); + for (i = 0; i < 3; i++) + printf("%02X ", SendPkt[i]); + printf("\n======================================\n"); + } + + write(fd, SendPkt, 3); +} + +static void KCSIfcTask(int KCSIfcIdx, int NoPrint) +{ + int fd; + int RecvPktLen; + char KCSDev[16]; + struct kcs_ioctl_data IOData; + unsigned char RecvPkt[512]; + + snprintf(KCSDev, sizeof(KCSDev), KCS_DEVICE_NAME"%d", KCSIfcIdx); + fd = open(KCSDev, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open KCS device: %s\n", KCSDev); + exit(1); + } + + IOData.cmd = KCS_FORCE_ABORT; + IOData.data = 0; + ioctl(fd, KCS_IOC_COMMAND, &IOData); + + while (1) { + RecvPktLen = read(fd, RecvPkt, sizeof(RecvPkt)); + if (RecvPktLen < 2) + continue; + + ProcessKCSReq(fd, RecvPkt, RecvPktLen, NoPrint); + } +} + +#if SUPPORT_KCS_ADDR_CMD +static void KCSIfcSetAddr(int KCSIfcIdx, unsigned int addr) +{ + int fd; + struct kcs_ioctl_data kcs_data; + char KCSDev[16]; + + snprintf(KCSDev, sizeof(KCSDev), KCS_DEVICE_NAME"%d", KCSIfcIdx); + fd = open(KCSDev, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open KCS device: %s\n", KCSDev); + exit(1); + } + + kcs_data.cmd = KCS_SET_ADDR; + kcs_data.data = addr; + if (ioctl(fd, KCS_IOC_COMMAND, &kcs_data) == 0) + printf("Set KCS%d addr to 0x%X successfully!\n", KCSIfcIdx + 1, addr); + + close(fd); +} + +static void KCSIfcGetAddr(int KCSIfcIdx) +{ + int fd; + struct kcs_ioctl_data kcs_data; + char KCSDev[16]; + + snprintf(KCSDev, sizeof(KCSDev), KCS_DEVICE_NAME"%d", KCSIfcIdx); + fd = open(KCSDev, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open KCS device: %s\n", KCSDev); + exit(1); + } + + kcs_data.cmd = KCS_GET_ADDR; + if (ioctl(fd, KCS_IOC_COMMAND, &kcs_data) == 0) + printf("KCS%d addr is : 0x%X!\n", KCSIfcIdx + 1, kcs_data.data); + + close(fd); +} +#endif + +/*********************************************************************************/ + +#if SUPPORT_SNOOP +static void ReadBiosPOSTCodes(unsigned int if_idx) +{ + char snoop_dev[32]; + int fd; + int i; + unsigned char buf[SNOOP_BUF_SIZE]; + int len; + + snprintf(snoop_dev, sizeof(snoop_dev), SNOOP_DEVICE_NAME"%d", if_idx); + fd = open(snoop_dev, O_RDONLY | O_NONBLOCK | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s !\n", snoop_dev); + return; + } + + len = read(fd, &buf, sizeof(buf)); + + if (len == 0 || errno == EAGAIN) { + printf("No BIOS POST Codes Found!\n"); + goto out; + } else if (len < 0) { + printf("Failed to read the POST Codes! (%s)\n", + strerror(errno)); + goto out; + } + + printf("BIOS POST Codes in Hex (%d entries):\n", len); + + for (i = 0; i < len; i++) + printf(" %d: %02X\n", i, buf[i]); + + printf("\n"); + +out: + close(fd); +} +#endif + +/*********************************************************************************/ + +static void SIOGetACPIState(unsigned short changed) +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_GET_ACPI_STATE; + sio_data.param = changed; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) { + if (changed) + printf("ACPI SLP state is %s!\n", + sio_data.param != 0 ? "Changed" : "Same"); + + if (sio_data.data == ACPI_STATE_S12) + printf("ACPI SLP state --> SLP_12\n"); + else if (sio_data.data == ACPI_STATE_S3I) + printf("ACPI SLP state --> SLP_3I\n"); + else if (sio_data.data == ACPI_STATE_S45) + printf("ACPI SLP state --> SLP_45\n"); + } + + close(fd); +} + +static void SIOGetPWRGDStatus(unsigned short changed) +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_GET_PWRGD_STATUS; + sio_data.param = changed; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) { + if (changed) + printf("PWRGD status : %s\n", + sio_data.param != 0 ? "Changed" : "Same"); + + printf("PWRGD status value :%u\n", sio_data.data); + } + + close(fd); +} + +static void SIOGetONCTLStatus(void) +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_GET_ONCTL_STATUS; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) + printf("ONCTL status value :%u\n", sio_data.data); + + close(fd); +} + +static void SIOSetONCTLGPIO(unsigned short enable, unsigned int value) +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_SET_ONCTL_GPIO; + sio_data.param = enable; + sio_data.data = value; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) + printf("ONCTL GPIO mode setting is Done!\n"); + + close(fd); +} + +static void SIOGetPWRBTNOverride(unsigned short clear) +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_GET_PWRBTN_OVERRIDE; + sio_data.param = clear; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) + printf("PWRBTN Override status : %u\n", sio_data.data); + + close(fd); +} + +static void SIOGetPFailStatus() +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_GET_PFAIL_STATUS; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) + printf("PFail status : %u\n", sio_data.data); + + close(fd); +} + +static void SIOSetBMCSCIEvent(unsigned short set) +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_SET_BMC_SCI_EVENT; + sio_data.param = set; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) + printf("BMC SCI event is %s\n", + sio_data.data ? "set" : "cleared"); + + close(fd); +} + +static void SIOSetBMCSMIEvent(unsigned short set) +{ + int fd; + struct sio_ioctl_data sio_data; + + fd = open(SIO_DEVICE_NAME, O_RDWR | O_CLOEXEC); + if (fd < 0) { + printf("Error open %s\n", SIO_DEVICE_NAME); + exit(1); + } + + sio_data.sio_cmd = SIO_SET_BMC_SMI_EVENT; + sio_data.param = set; + + if (ioctl(fd, SIO_IOC_COMMAND, &sio_data) == 0) + printf("BMC SMI event is %s\n", + sio_data.data ? "set" : "cleared"); + + close(fd); +} + +/*********************************************************************************/ + +#if SUPPORT_MAILBOX +static void MailBoxRead(int num) +{ + int fd; + int len; + uint8_t data; + + fd = open(MAILBOX_DEVICE_NAME, O_RDWR | O_NONBLOCK | O_CLOEXEC); + if (fd < 0) { + printf("Error open mailbox\n"); + exit(1); + } + + len = pread(fd, &data, 1, num); + if (len == 0 || errno == EAGAIN) { + printf("No mailbox message found!\n"); + goto out; + } else if (len < 0) { + printf("Error reading from mailbox%d! (%s)\n", num, + strerror(errno)); + goto out; + } + + printf("MailBox%d read value : 0x%02X\n", num, data); + +out: + close(fd); +} + +static void MailBoxWrite(int num, uint8_t value) +{ + int fd; + ssize_t rc; + + fd = open(MAILBOX_DEVICE_NAME, O_RDWR | O_NONBLOCK | O_CLOEXEC); + if (fd < 0) { + printf("Error open mailbox\n"); + exit(1); + } + + rc = pwrite(fd, &value, 1, num); + + if (rc == 1) + printf("MailBox%d write value : 0x%02X done!\n", num, value); + else + printf("Error writing to mailbox%d, rc: %d\n", num, rc); + + close(fd); +} +#endif + +/*********************************************************************************/ + +static void usage(void) +{ + printf("Usage:\n" + "\tlpc_cmds sio get_acpi_state\n" + "\tlpc_cmds sio get_acpi_changed\n" + "\tlpc_cmds sio get_pwrgd_status\n" + "\tlpc_cmds sio get_pwrgd_changed\n" + "\tlpc_cmds sio get_onctl_status\n" + "\tlpc_cmds sio set_onctl_gpio_disable\n" + "\tlpc_cmds sio set_onctl_gpio_high\n" + "\tlpc_cmds sio set_onctl_gpio_low\n" + "\tlpc_cmds sio get_pwrbtn_override_status\n" + "\tlpc_cmds sio get_pwrbtn_override_status_clear\n" + "\tlpc_cmds sio get_pfail_status\n" + "\tlpc_cmds sio set_bmc_sci_event\n" + "\tlpc_cmds sio clear_bmc_sci_event\n" + "\tlpc_cmds sio set_bmc_smi_event\n" + "\tlpc_cmds sio clear_bmc_smi_event\n" + "\n" +#if SUPPORT_KCS_ADDR_CMD + "\tlpc_cmds kcs [1 ~ 4] (getaddr / setaddr / quiet)\n" +#else + "\tlpc_cmds kcs [1 ~ 4] (quiet)\n" +#endif +#if SUPPORT_MAILBOX + "\n" + "\tlpc_cmds mailbox read (0 ~ 15)\n" + "\tlpc_cmds mailbox write (0 ~ 15) (0x00 ~ 0xFF)\n" +#endif +#if SUPPORT_SNOOP + "\n" + "\tlpc_cmds snoop [0 ~ 1] read\n" +#endif + ); + + exit(-1); +} + +int main(int argc, char** argv) +{ + char *cmd; + + if (argc < 2) + usage(); + + cmd = argv[1]; + + if (strcmp(cmd, "sio") == 0) { + if (argc < 3) + usage(); + + if (strcmp(argv[2], "get_acpi_state") == 0) + SIOGetACPIState(0); + else if (strcmp(argv[2], "get_acpi_changed") == 0) + SIOGetACPIState(1); + else if (strcmp(argv[2], "get_pwrgd_status") == 0) + SIOGetPWRGDStatus(0); + else if (strcmp(argv[2], "get_pwrgd_changed") == 0) + SIOGetPWRGDStatus(1); + else if (strcmp(argv[2], "get_onctl_status") == 0) + SIOGetONCTLStatus(); + else if (strcmp(argv[2], "set_onctl_gpio_disable") == 0) + SIOSetONCTLGPIO(0, 0); + else if (strcmp(argv[2], "set_onctl_gpio_high") == 0) + SIOSetONCTLGPIO(1, 1); + else if (strcmp(argv[2], "set_onctl_gpio_low") == 0) + SIOSetONCTLGPIO(1, 0); + else if (strcmp(argv[2], "get_pwrbtn_override_status") == 0) + SIOGetPWRBTNOverride(0); + else if (strcmp(argv[2], "get_pwrbtn_override_status_clear") == 0) + SIOGetPWRBTNOverride(1); + else if (strcmp(argv[2], "get_pfail_status") == 0) + SIOGetPFailStatus(); + else if (strcmp(argv[2], "set_bmc_sci_event") == 0) + SIOSetBMCSCIEvent(1); + else if (strcmp(argv[2], "clear_bmc_sci_event") == 0) + SIOSetBMCSCIEvent(0); + else if (strcmp(argv[2], "set_bmc_smi_event") == 0) + SIOSetBMCSMIEvent(1); + else if (strcmp(argv[2], "clear_bmc_smi_event") == 0) + SIOSetBMCSMIEvent(0); + } else if (strcmp(cmd, "kcs") == 0) { + int ifc; + + if (argc < 3) + usage(); + + ifc = atoi(argv[2]); + if (ifc < 1 || ifc > 4) /* ipmi-kcs1 ~ ipmi-kcs4 */ + usage(); + + if (argc == 3) + KCSIfcTask(ifc, 0); + else if (argc == 4 && strcmp(argv[3], "quiet") == 0) + KCSIfcTask(ifc, 1); +#if SUPPORT_KCS_ADDR_CMD + else if (argc == 4 && strcmp(argv[3], "getaddr") == 0) + KCSIfcGetAddr(ifc); + else if (argc == 5 && strcmp(argv[3], "setaddr") == 0) + KCSIfcSetAddr(ifc, strtoul(argv[4], NULL, 16)); +#endif +#if SUPPORT_MAILBOX + } else if (strcmp(cmd, "mailbox") == 0) { + if (argc < 4) + usage(); + + if (strcmp(argv[2], "read") == 0) { + MailBoxRead(atoi(argv[3])); + } else { + if (argc < 5) + usage(); + MailBoxWrite(atoi(argv[3]), strtoul(argv[4], NULL, 16)); + } +#endif +#if SUPPORT_SNOOP + } else if (strcmp(cmd, "snoop") == 0) { + int ifc; + + if (argc < 3) + usage(); + + ifc = atoi(argv[2]); + if (ifc < 0 || ifc > 1) /* snoop0 ~ snoop1 */ + usage(); + + if (strcmp(argv[3], "read") == 0) + ReadBiosPOSTCodes(ifc); + else + usage(); +#endif + } + + return 0; +} + diff --git a/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/lpc_drv.h b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/lpc_drv.h new file mode 100644 index 000000000..354210c8b --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/files/lpc_drv.h @@ -0,0 +1,80 @@ +/* +// Copyright (c) 2017 Intel Corporation +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. +// +// +*/ + +#ifndef __LPC_DRV_H__ +#define __LPC_DRV_H__ + +#define LPC_DEV_MAJOR 250 +#define LPC_DEV_MINOR 0 + +/***********************************************************************************/ + +enum KCS_CMD { + KCS_SET_ADDR = 0, + KCS_GET_ADDR, + KCS_SMS_ATN, + KCS_FORCE_ABORT, +}; + +struct kcs_ioctl_data { + unsigned int cmd; + unsigned int data; +}; + +#define KCS_IOC_BASE 'K' +#define KCS_IOC_COMMAND _IOWR(KCS_IOC_BASE, 1, struct kcs_ioctl_data) + +/***********************************************************************************/ + +enum ACPI_SLP_STATE { + ACPI_STATE_S12 = 1, + ACPI_STATE_S3I, + ACPI_STATE_S45 +}; + +/* SWC & ACPI for SuperIO IOCTL */ +enum SIO_CMD { + SIO_GET_ACPI_STATE = 0, + SIO_GET_PWRGD_STATUS, + SIO_GET_ONCTL_STATUS, + SIO_SET_ONCTL_GPIO, + SIO_GET_PWRBTN_OVERRIDE, + SIO_GET_PFAIL_STATUS, /* Start from AC Loss */ + SIO_SET_BMC_SCI_EVENT, + SIO_SET_BMC_SMI_EVENT, + + SIO_MAX_CMD +}; + +struct sio_ioctl_data { + unsigned short sio_cmd; + unsigned short param; + unsigned int data; +}; + +#define SIO_IOC_BASE 'P' +#define SIO_IOC_COMMAND _IOWR(SIO_IOC_BASE, 1, struct sio_ioctl_data) + +/***********************************************************************************/ + +#define MAX_MAILBOX_NUM 16 + +/***********************************************************************************/ + +#endif + diff --git a/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/lpc-cmds.bb b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/lpc-cmds.bb new file mode 100644 index 000000000..cf7182e3d --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-utilities/lpc-cmds/lpc-cmds.bb @@ -0,0 +1,13 @@ +SUMMARY = "LPC tools" +DESCRIPTION = "command tool for LPC interface test on the BMC" + +inherit cmake + +LICENSE = "Apache-2.0" +LIC_FILES_CHKSUM = "file://${INTELBASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658" + +SRC_URI = "\ + file://CMakeLists.txt;subdir=${BP} \ + file://lpc_drv.h;subdir=${BP} \ + file://lpc_cmds.c;subdir=${BP} \ + " |